mystery illness

• 神秘疾病

mystery illness的用法和样例：

例句

1. As a precaution, the patients with the mystery illness were segregated and placed in a large empty room awaiting renoation.
   作为一项预防措施，患有神秘疾病的患者被隔离并安置在一个空旷的大房间等待康复治疗。